我国现存第一首成熟的七言诗是曹丕的（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27066' and id < 2243694 and id<>'2243694' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27066' and id > 2243694 and id<>'2243694' order by id asc limit 5